Measurement instrument



FIG. 1 is a perspective view of a measurement instrument showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image thereof;

FIG. 4 is the back view thereof

FIG. 5 is the top plan view thereof; and,

FIG. 6 is the bottom view thereof. 

CLAIM The ornamental design for a measurement instrument, as shown and described. 